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CY8C20121 - One Button and Two Button Capacitive Controllers

Download the CY8C20121 datasheet PDF. This datasheet also covers the CY8C20111 variant, as both devices belong to the same one button and two button capacitive controllers family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • Capacitive button input tied to a configurable output.
  • Robust sensing algorithm.
  • High sensitivity, low noise.
  • Immunity to RF and AC noise.
  • Low radiated EMC noise.
  • Supports wide range of input capacitance, sensor shapes, and sizes.
  • Target.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CY8C20111-CypressSemiconductor.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Cypress (now Infineon)

Part Number Description
CY8C20110 Configurable GPIOs
CY8C20111 One Button and Two Button Capacitive Controllers
CY8C20134 PSoC Programmable System-on-Chip
CY8C20140 Configurable IOs
CY8C20142 Configurable IOs

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
CY8C20111/CY8C20121 CapSense® Express™ – One Button and Two Button Capacitive Controllers Not Recommended for New Designs CapSense® Express™ – One Button and Two Button Capacitive Controllers Features ■ Capacitive button input tied to a configurable output ❐ Robust sensing algorithm ❐ High sensitivity, low noise ❐ Immunity to RF and AC noise ❐ Low radiated EMC noise ❐ Supports wide range of input capacitance, sensor shapes, and sizes ■ Target Applications ❐ Printers ❐ Cellular handsets ❐ LCD monitors ❐ Portable DVD players ■ Industry's best configurability ❐ Custom sensor tuning ❐ Output supports strong 20 mA sink current ❐ Output state can be controlled through I2C or directly from CapSense input state ❐ Run time reconfigurable over I2C ■ Advanced features ❐ Plug-and-play with factory d